18121440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2024

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 41995680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 1987, 2280, 3040, 3974, 4560, 5961, 7948, 9120, 9935, 11922, 15896, 19870, 23844, 29805, 31792, 37753, 39740, 47688, 59610, 63584, 75506, 79480, 95376, 113259, 119220, 151012, 158960, 188765, 190752, 226518, 238440, 302024, 317920, 377530, 453036, 476880, 566295, 604048, 755060, 906072, 953760, 1132590, 1208096, 1510120, 1812144, 2265180, 3020240, 3624288, 4530360, 6040480, 9060720, 18121440]

約数ペア:

[(1, 18121440), (2, 9060720), (3, 6040480), (4, 4530360), (5, 3624288), (6, 3020240), (8, 2265180), (10, 1812144), (12, 1510120), (15, 1208096), (16, 1132590), (19, 953760), (20, 906072), (24, 755060), (30, 604048), (32, 566295), (38, 476880), (40, 453036), (48, 377530), (57, 317920), (60, 302024), (76, 238440), (80, 226518), (95, 190752), (96, 188765), (114, 158960), (120, 151012), (152, 119220), (160, 113259), (190, 95376), (228, 79480), (240, 75506), (285, 63584), (304, 59610), (380, 47688), (456, 39740), (480, 37753), (570, 31792), (608, 29805), (760, 23844), (912, 19870), (1140, 15896), (1520, 11922), (1824, 9935), (1987, 9120), (2280, 7948), (3040, 5961), (3974, 4560)]